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// Copyright 2011 Google Inc. All Rights Reserved.
#include <vector>
#include "dex_file.h"
#include "mem_map.h"
#include "oat.h"
namespace art {
class OatFile {
// Open an oat file. Returns NULL on failure. Requested base can
// optionally be used to request where the file should be loaded.
static OatFile* Open(const std::string& filename,
const std::string& strip_location_prefix,
byte* requested_base);
const std::string& GetLocation() const {
return location_;
const OatHeader& GetOatHeader() const;
class OatDexFile;
class OatClass {
// get the code for the method based on its index into the class
// defintion. direct methods come first, followed by virtual
// methods. note that runtime created methods such as miranda
// methods are not included.
const void* GetMethodCode(uint32_t method_index) const;
OatClass(const OatFile* oat_file, const uint32_t* methods_pointer);
const OatFile* oat_file_;
const uint32_t* methods_pointer_;
friend class OatDexFile;
class OatDexFile {
const OatClass GetOatClass(uint32_t class_def_index) const;
uint32_t GetDexFileChecksum() const {
return dex_file_checksum_;
OatDexFile(const OatFile* oat_file,
std::string dex_file_location,
uint32_t dex_file_checksum,
uint32_t* classes_pointer);
const OatFile* oat_file_;
std::string dex_file_location_;
uint32_t dex_file_checksum_;
const uint32_t* classes_pointer_;
friend class OatFile;
const OatDexFile& GetOatDexFile(const std::string& dex_file_location);
size_t GetSize() const {
return GetLimit() - GetBase();
OatFile(const std::string& filename);
bool Read(const std::string& filename, byte* requested_base);
const byte* GetBase() const;
const byte* GetLimit() const;
// The oat file name.
// The image will embed this to link its associated oat file.
const std::string location_;
// backing memory map for oat file
UniquePtr<MemMap> mem_map_;
typedef std::map<std::string, const OatDexFile*> Table;
Table oat_dex_files_;
friend class OatClass;
friend class OatDexFile;
} // namespace art